body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; background-color: #f5f5f5; }
        header { background-color: #4a0082; color: white; padding: 15px; border-radius: 5px; margin-bottom: 30px; }
        header h1 { margin: 0; font-size: 24px; }
        nav { display: flex; justify-content: space-between; align-items: center; }
        .mobile-menu-btn { display: none; background: #ff6b6b; color: white; border: none; padding: 8px 12px; border-radius: 4px; cursor: pointer; }
        @media (max-width: 768px) {
            .mobile-menu-btn { display: block; }
            nav ul { display: none; }
            nav.active ul { display: block; }
        }
        nav ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 15px; }
        nav a { color: white; text-decoration: none; }
        h1 { color: #4a0082; font-size: 28px; margin-bottom: 20px; }
        h2 { color: #8a2be2; font-size: 22px; margin-top: 30px; margin-bottom: 15px; }
        h3 { color: #9370db; font-size: 18px; margin-top: 25px; margin-bottom: 10px; }
        .btn { display: inline-block; background-color: #ff6b6b; color: white; padding: 10px 20px; border-radius: 5px; text-decoration: none; margin: 10px 0; font-weight: bold; }
        .download-section, .login-section { background-color: #e8e8e8; padding: 20px; border-radius: 5px; margin: 20px 0; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 5px; }
        footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid #ddd; text-align: center; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background-color: #ddd; padding: 5px 10px; border-radius: 3px; margin: 5px; text-decoration: none; color: #333; }